CVE-2025-50180

UNKNOWN 0.0

esm.sh is vulnerable to full-response SSRF

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

esm.sh is a no-build content delivery network (CDN) for web development. In version 136, esm.sh is vulnerable to a full-response SSRF, allowing an attacker to retrieve information from internal websites through the vulnerability. Version 137 fixes the vulnerability.

CWE	CWE-918
Vendor	esm-dev
Product	esm.sh
Published	Feb 25, 2026
Last Updated	Feb 27, 2026

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Affected Versions

esm-dev / esm.sh

= 136

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/esm-dev/esm.sh/security/advisories/GHSA-3c9r-837r-qqm4 github.com: https://github.com/esm-dev/esm.sh/pull/1149 github.com: https://github.com/esm-dev/esm.sh/commit/0593516c4cfab49ad3b4900416a8432ff2e23eb0 github.com: https://github.com/esm-dev/esm.sh/blob/f80ff8c8d58749e77fa964abde468fc61f8bd89e/internal/fetch/fetch.go#L13 github.com: https://github.com/esm-dev/esm.sh/blob/f80ff8c8d58749e77fa964abde468fc61f8bd89e/server/router.go#L511 github.com: https://github.com/esm-dev/esm.sh/releases/tag/v137